209946420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{587}}^1\times {\mathrm{1987}}^1$

素因数の和:2589

約数の個数: 72

約数和(自身を含む): 638243424

約数和(自身を除く): 428297004

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 587, 1174, 1761, 1987, 2348, 2935, 3522, 3974, 5283, 5870, 5961, 7044, 7948, 8805, 9935, 10566, 11740, 11922, 17610, 17883, 19870, 21132, 23844, 26415, 29805, 35220, 35766, 39740, 52830, 59610, 71532, 89415, 105660, 119220, 178830, 357660, 1166369, 2332738, 3499107, 4665476, 5831845, 6998214, 10497321, 11663690, 13996428, 17495535, 20994642, 23327380, 34991070, 41989284, 52486605, 69982140, 104973210, 209946420]

約数ペア:

[(1, 209946420), (2, 104973210), (3, 69982140), (4, 52486605), (5, 41989284), (6, 34991070), (9, 23327380), (10, 20994642), (12, 17495535), (15, 13996428), (18, 11663690), (20, 10497321), (30, 6998214), (36, 5831845), (45, 4665476), (60, 3499107), (90, 2332738), (180, 1166369), (587, 357660), (1174, 178830), (1761, 119220), (1987, 105660), (2348, 89415), (2935, 71532), (3522, 59610), (3974, 52830), (5283, 39740), (5870, 35766), (5961, 35220), (7044, 29805), (7948, 26415), (8805, 23844), (9935, 21132), (10566, 19870), (11740, 17883), (11922, 17610)]